Question

9 cm
D) 10 cm
2)Find d (PQ) if co-ordinate of P and Q are 3 and 9 respectively
R90​

Answer 1

Answer:

Correct option is

D

1

Using the section formula, if a point (x,y) divides the line joining the

points (x

1

,y

1

) and (x

2

,y

2

) internally

in the ratio m:n, then (x,y)=(

m+n

mx

2

+nx

1

,

m+n

my

2

+ny

1

)